diff --git a/test/appendToStream_test.js b/test/appendToStream_test.js
index d76a9a3..2c3d864 100644
--- a/test/appendToStream_test.js
+++ b/test/appendToStream_test.js
@@ -57,7 +57,7 @@ module.exports = {
   },
   'Append Large event': function(test) {
     test.expect(2);
-    const largeData = Buffer.alloc(3 * 1024 *1024, 1);
+    const largeData = Buffer.alloc(3 * 1024 *1024, " ");
     const event = client.createJsonEventData(uuid.v4(), {a: largeData.toString()}, null, 'largePayloadEvent');
     
     this.conn.appendToStream(this.testStreamName, client.expectedVersion.any, event)
diff --git a/test/readEvent_test.js b/test/readEvent_test.js
index 0a5115d..365f1b5 100644
--- a/test/readEvent_test.js
+++ b/test/readEvent_test.js
@@ -112,7 +112,7 @@ module.exports = {
   'Read a Large Event': function(test) {
     test.expect(8);
     var self = this;
-    const largeData = Buffer.alloc(3 * 1024 * 1024, 1);
+    const largeData = Buffer.alloc(3 * 1024 * 1024, " ");
 
     const largeEvent = client.createJsonEventData(uuid.v4(), {
       a: largeData.toString()